Contract OI history
Back to SYMJan 15, 2027 EXPIRATION
SYM $37.50 Put
SYM270115P00037500
Latest saved OI303Oct 23, 2026
Last change+7vs previous saved observation
Saved market days7Oct 09, 2026 onwards
All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.
| Market date | Open interest | Change vs prior saved day |
|---|---|---|
| Oct 23, 2026Viewing | 303 | +7 |
| Oct 20, 2026 | 296 | -1 |
| Oct 16, 2026 | 297 | +2 |
| Oct 15, 2026 | 295 | -1 |
| Oct 14, 2026 | 296 | 0 |
| Oct 13, 2026 | 296 | 0 |
| Oct 09, 2026 | 296 | No prior observation |